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Corvette
General Corvette Discussion
New updates in GM driveability tuning?
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<blockquote data-quote="Arun" data-source="post: 74188" data-attributes="member: 1488"><p>When I see this I enable these codes again, just like GM does. This is one of the tricky parts of tuning an already tuned car. You need to find a stock tune-put it back to stock-then start all over again. </p><p></p><p>But sometimes were not given that information so it ends up going out the door like this again. IMHO-those codes are needed and do no nothing for drag only cars. There is another table for that which I modify-so when WOT tuning is done-nothing it will effect it again unless something is wrong. </p><p></p><p>My personal C5 was SD tuned and these codes were enabled-if my car was running rich or lean at non wot throttle inputs-I want to know. </p><p></p><p>It was pretty funny but with no cats and a cam with double digit overlap and 1200cc injectors-I was able to pass a roller test at speed. At a 900 rpm idle it didn't pass-but at speed it did. </p><p></p><p>The emissions shop had a good laugh at that. </p><p></p><p>But with todays emissions standard-anything can pass-good old government.</p></blockquote><p></p>
[QUOTE="Arun, post: 74188, member: 1488"] When I see this I enable these codes again, just like GM does. This is one of the tricky parts of tuning an already tuned car. You need to find a stock tune-put it back to stock-then start all over again. But sometimes were not given that information so it ends up going out the door like this again. IMHO-those codes are needed and do no nothing for drag only cars. There is another table for that which I modify-so when WOT tuning is done-nothing it will effect it again unless something is wrong. My personal C5 was SD tuned and these codes were enabled-if my car was running rich or lean at non wot throttle inputs-I want to know. It was pretty funny but with no cats and a cam with double digit overlap and 1200cc injectors-I was able to pass a roller test at speed. At a 900 rpm idle it didn't pass-but at speed it did. The emissions shop had a good laugh at that. But with todays emissions standard-anything can pass-good old government. [/QUOTE]
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Corvette
General Corvette Discussion
New updates in GM driveability tuning?
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